[v2,19/20] lib: move strpbrk()

Commit Message

Jan Beulich April 21, 2021, 2:26 p.m. UTC

Allow the function to be individually linkable, discardable, and
overridable.

Signed-off-by: Jan Beulich <[e-mail]>

Patch

--- a/xen/common/string.c
+++ b/xen/common/string.c
@@ -8,26 +8,6 @@ 
 #include <xen/string.h>
 #include <xen/ctype.h>
 
-#ifndef __HAVE_ARCH_STRPBRK
-/**
- * strpbrk - Find the first occurrence of a set of characters
- * @cs: The string to be searched
- * @ct: The characters to search for
- */
-char * strpbrk(const char * cs,const char * ct)
-{
-	const char *sc1,*sc2;
-
-	for( sc1 = cs; *sc1 != '\0'; ++sc1) {
-		for( sc2 = ct; *sc2 != '\0'; ++sc2) {
-			if (*sc1 == *sc2)
-				return (char *) sc1;
-		}
-	}
-	return NULL;
-}
-#endif
-
 #ifndef __HAVE_ARCH_STRSEP
 /**
  * strsep - Split a string into tokens
--- a/xen/lib/Makefile
+++ b/xen/lib/Makefile
@@ -23,6 +23,7 @@  lib-y += strlen.o
 lib-y += strncasecmp.o
 lib-y += strncmp.o
 lib-y += strnlen.o
+lib-y += strpbrk.o
 lib-y += strrchr.o
 lib-y += strspn.o
 lib-y += strstr.o
--- /dev/null
+++ b/xen/lib/strpbrk.c
@@ -0,0 +1,33 @@ 
+/*
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+#include <xen/string.h>
+
+/**
+ * strpbrk - Find the first occurrence of a set of characters
+ * @cs: The string to be searched
+ * @ct: The characters to search for
+ */
+char *strpbrk(const char * cs,const char * ct)
+{
+	const char *sc1,*sc2;
+
+	for( sc1 = cs; *sc1 != '\0'; ++sc1) {
+		for( sc2 = ct; *sc2 != '\0'; ++sc2) {
+			if (*sc1 == *sc2)
+				return (char *) sc1;
+		}
+	}
+	return NULL;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ */